Data processing method, device and system

The invention relates to a data processing method, device and system and a computer readable storage medium, and relates to the technical field of communication. The data processing method executed by the data processing device deployed in the OAM system comprises the following steps: receiving a data acquisition request from a network data analysis function NWDAF network element, wherein the data acquisition request comprises a data identifier of enabling network automation eNA management data required by the NWDAF network element; eNA management data corresponding to the data identifier is acquired; converting the eNA management data into a data format which can be identified by the NWDAF network element; and sending the eNA management data of which the data format is converted to the NWDAF network element. According to the method and the device, the eNA management data can be sent to the NWDAF network element from the OAM system, so that the NWDAF network element performs data analysis based on the eNA man